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Green chem 5
Question | Answer |
---|---|
BIOPOL USES (2)... | BIODEGRADE CUTLERY, SHAMPOOS BOTTLES. |
BIPOL PRICE IS ... | MORE EXPENSIVE THAN NORM POLYMER, |
WHAT RESEARCH ON BACTERIA FOR BIOPOL IS BEING CARRIED OUT... | RESEARCH ON GENETICALLY ENGINEERING THE GENE FORM BACTERIUM, AND TRANSFERRING IT INTO PLANTS E.G. POTATOES. |
DEFINITION OF ATOM ECONOMY IS THE... | PERCENTAGE OF ATOMS IN THE REACTANTS THAT IS PRESENT IN THE DESIRED PRODUCT. |
ETHANOIC ACID IT USED TO BE MADE BY ... | THE HIGH TEMP CATALYTIC OXIDATION OF ALKANE CONTAINING 3-5 CARBON ATOMS. THE ATOM ECONOMY OF THIS IS LOW BECAUSE EITHER IS SIDE REACTIONS AND UNWANTED PRODUCTS., |
WHAT MAKES LOW ATOM ECONOMY ... | SIDE REACTIONS UNWANTED PRODUCTS |
METHANOL AND CO CAN BE MADE FROM... | METHANE AND WATER HIGH ATOM ECONOMIES. 100% AE. C0 + CH30H à CH3COOH. USES A CATALYST WITH IS A IRIDIUM COMPLEX THAT PRODUCES ETHANOIC ACID IN 99% YIELD. |
HEAT IS. EXPENSIVE SO GOOD .... | INSULATION NECESSARY. |
HYDROGEN IS MADE FROM.... | METHANE AND STEAM IN ENDOTHERMIC REACTION AT HIGH TEMPS. |
IT IS ESSENTIAL TO INSULATE THE REACTION (METHANE AND STEAM) VESSEL TO MAKE ... | PROCESS ECONOMIC. |
S02 AND OXYGEN REACT TOGETHER OVER A ... | VANADIUM (V) OXIDE CATALYST IN EXOTHERMIC REACTION. |
THE HOT GAS IS COOLED AND RETURNED INTO CATALYST CHAMBER. REPEATED BEFORE ABSORPTION INTO CONC SULPHURIC ACID. | |
THE HEAT IS USED TO PRODUCE ... | STEAM TO GENERATE ENOUGH ELECTRICITY IN A PLANT. |
IN MALAWI AN ... | ETHANOL PRODUCTION PLANT HAS BEEN DESIGNED WITH HIGH ENERGY EFFICIENCY,. |
SUGAR CANE IS CRUSHED .. | SOLUBLE SUGAR EXTRACTED. |
SUGAR CANE BE FERMENTED TO... | ETHANOL AND ETHANOL IS FRACTIONALLY DISTILLED. |
THE ENERGY FOR PROCESS FERMENTATION OF SUGAR CANE IS PRODUCED BY... | BURNING THE WOODY RESIDUE OF SUGAR CANE. NO CARBON FOOTPRINT IN MANUFACTURE OF ETHANOL. |
PHARMACEUTICAL COMPANIES USE MICROWAVES TO ... | HEAT RECITATION MIXTURES. |
FEW HEAT LOSES AND SOLUTIONS WARMED UP RAPIDLY SO REACTION TIME .. | SHORT. |
BENEFIT TO THE PHARMACEUTICAL AND ENVIRONMENT COZ.. | THE REDUCED CARBON FOOTPRINT AND FASTER PRODUCTION. SOLUTIONS HETED IN MICROWAVE FAST. |
TO MIMINIMISE WASTE CAN ... | USE LESS PACKAGING AND RECYCLE. |
PLASTIC E.G. POLY(ETHER) AND PVC ARE NOT .... | BIODEGRADABLE |
WHY IS PLASTIC E.G. POLY(ETHER) AND PVC ARE NOT BIODEGRADABLE ... | DERIVED FROM FOSSIL FUELS AND NO MICROORGANISM CAN BREAK IT DOWN. |
PLASTIC ARE ... | INSOLUBLE AND NOT EASILY DEGRADABLE . THEY ARE BULKY TAKE UP LOT OF SPACE IN LANDFILL SITES. |
WHY MUST PLASTIC BE CAREFULLY INCINERATED... | TO PREVENT PRODUCING DIOXIDE. |
WHEN INCINERATED PVC PRODUCES ... | HCL. |
BEST SOLUTION FOR PLASTICS .. | TO RECYCLE PLASTICS. EXPENSIVE COZ THEY HAVE TO BE SORTED, MOST OF PLASTIC IN UK SENT TO CHINA WHERE SORTED SOME ARE BURNT. |